{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical", "Disease"], "input": "The choline acetyltransferase ( ChAT ) activator , which enhances cholinergic transmission via an augmentation of the enzymatic production of acetylcholine ( ACh ) , is an important factor in the treatment of Alzheimer ' s disease ( AD ) ."}
{"Chemical": ["choline", "acetylcholine", "ACh"], "Disease": ["Alzheimer ' s disease", "AD"]}